Earnings Per Share and Stock Plans (Tables)

12 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted earnings per share (share data presented in thousands):

	Year Ended March 31,
Numerator for basic and diluted earnings per share:	2018		2017		2016
Net income (loss)	$	22,065	$	8,984	$	19,579
Denominators:
Weighted-average common stock outstanding— denominator for basic EPS	22,841		20,591		20,079
Effect of dilutive employee stock options, RSU's and performance shares	494		297		236
Adjusted weighted-average common stock outstanding and assumed conversions— denominator for diluted EPS	23,335		20,888		20,315

Schedule of Stock Options Roll Forward

A summary of option transactions during each of the three fiscal years in the period ended March 31, 2018 is as follows:

	Shares		Weighted- average Exercise Price		Weighted- average Remaining Contractual Life (in years)	Aggregate Intrinsic Value
Outstanding at April 1, 2015	612,149		$	18.86
Granted	157,999		24.94
Exercised	(16,033	)	15.07
Cancelled	(35,314	)	21.90
Outstanding at March 31, 2016	718,801		20.13		6.64	$	465
Granted	398,945		17.00
Exercised	(27,848	)	15.76
Cancelled	(26,004	)	19.06
Outstanding at March 31, 2017	1,063,894		19.10		6.98	$	6,477
Granted	227,783		24.33
Exercised	(363,091	)	17.43
Cancelled	(6,136	)	19.83
Outstanding at March 31, 2018	922,450		21.04		7.56	$	13,654
Exercisable at March 31, 2018	306,218		$	20.84	5.94	$	4,585

Schedule of Share-based Compensation, Stock Options, Activity

The following table provides certain information with respect to stock options outstanding at March 31, 2018:

	Stock Options Outstanding	Weighted-average Exercise Price		Weighted-average Remaining Contractual Life
Range of Exercise Prices
$10.01 to 20.00	397,220	$	15.55	6.92
$20.01 to 30.00	525,230	25.19		8.04
	922,450	$	21.04	7.56

The following table provides certain information with respect to stock options exercisable at March 31, 2018:

Range of Exercise Prices	Stock Options Exercisable	Weighted-average Exercise Price
$10.01 to $20.00	159,766	$	16.13
$20.01 to $30.00	146,452	26.04
	306,218	$	20.84

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following table provides the weighted-average assumptions used to value stock options granted during fiscal 2018, 2017, and 2016:

	Year Ended March 31, 2018		Year Ended March 31, 2017		Year Ended March 31, 2016
Assumptions:
Risk-free interest rate	1.42	%	1.07	%	0.82	%
Dividend yield	0.66	%	0.98	%	0.60	%
Volatility factor	0.343		0.379		0.391
Expected life	5.5 years		5.5 years		5.5 years

Schedule of Unvested Restricted Stock Units Roll Forward

A summary of the restricted stock unit awards granted under the Company’s LTIP plan as of March 31, 2018 is as follows:

	Shares		Weighted-average Grant Date Fair Value
Unvested at April 1, 2015	181,015		$	20.99
Granted	287,585		19.86
Vested	(87,380	)	20.20
Forfeited	(9,718	)	22.65
Unvested at March 31, 2016	371,502		$	20.26
Granted	171,407		18.06
Vested	(162,502	)	19.93
Forfeited	(10,151	)	22.81
Unvested at March 31, 2017	370,256		$	19.32
Granted	120,271		29.38
Vested	(157,448	)	20.39
Forfeited	(12,954	)	17.99
Unvested at March 31, 2018	320,125		$	22.62

Schedule of Nonvested Performance-based Units Activity

A summary of the performance shares transactions during each of the three fiscal years in the period ended March 31, 2018 is as follows:

	Shares		Weighted-average Grant Date Fair Value
Unvested at April 1, 2015	113,447		$	23.35
Granted	41,504		24.94
Vested	(53,298	)	19.25
Forfeited	—		—
Unvested at March 31, 2016	101,653		$	26.15
Granted	77,349		15.69
Vested	(25,148	)	26.79
Forfeited	(35,001	)	27.12
Unvested at March 31, 2017	118,853		$	18.92
Granted	49,221		25.28
Forfeited	(41,504	)	24.94
Unvested at March 31, 2018	126,570		$	19.42